61535920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45247}}^1$

素因数の和:45277

約数の個数: 40

約数和(自身を含む): 151490304

約数和(自身を除く): 89954384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 45247, 90494, 180988, 226235, 361976, 452470, 723952, 769199, 904940, 1538398, 1809880, 3076796, 3619760, 3845995, 6153592, 7691990, 12307184, 15383980, 30767960, 61535920]

約数ペア:

[(1, 61535920), (2, 30767960), (4, 15383980), (5, 12307184), (8, 7691990), (10, 6153592), (16, 3845995), (17, 3619760), (20, 3076796), (34, 1809880), (40, 1538398), (68, 904940), (80, 769199), (85, 723952), (136, 452470), (170, 361976), (272, 226235), (340, 180988), (680, 90494), (1360, 45247)]